DGS-1250 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide
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interactive access protocols, like Telnet and SSH. In the Route group, packets are identified as traversing routing
packets that is generally processed by the router CPU.
In the following table a list of supported protocols are displayed with their respective sub-interfaces (groups):
Protocol Name Sub-interface
(Group)
Description
802.1X
Protocol Port-based Network Access Control
ARP
Protocol Address resolution Protocol
BGP
Protocol Border Gateway Protocol
DHCP
Protocol Dynamic Host Configuration Protocol
DNS
Protocol Domain Name System
ICMPv4
Protocol Internet Control Message Protocol
ICMPv6-
Neighbor
Protocol IPv6 Internet Control Message Protocol Neighbor Discovery Protocol
(NS/NA/RS/RA)
ICMPv6-Other
Protocol
IPv6 Internet Control Message Protocol except Neighbor Discovery
Protocol (NS/NA/RS/RA)
IGMP
Protocol Internet Group Management Protocol
LACP
Protocol Link Aggregation Control Protocol
SNMP
Manage Simple Network Management Protocol
SSH
Manage Secure Shell
STP
Protocol Spanning Tree Protocol
Telnet
Manage Telnet
TFTP
Manage Trivial File Transfer Protocol
Web
Manage Hypertext Transfer Protocol (HTTP) and Hypertext Transfer Protocol
Secure (HTTPS)
A customized rate limit (in packets per second) can be assigned to the Safeguard Engine’s sub-interfaces as a whole
or to individual protocols specified by the user in the management interface. Be careful when customizing the rate limit
for individual protocols, using this function, as improper rate limits can cause the Switch to process packets
abnormally.
NOTE: When Safeguard Engine is enabled, the Switch will allot bandwidth to various traffic flows
(ARP, IP) using the FFP (Fast Filter Processor) metering table to control the CPU utilization
and limit traffic. This may limit the speed of routing traffic over the network.
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